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Showing posts with the label What is the role of Azolla association in rice field

Azolla and rice cultivation

The skill of Azolla’s symbiont, Anabaena, to sequester atmospheric nitrogen has been used for thousands of years in the Far East, where Azolla is extensively grown in rice paddies to increase rice production by way of more than 50%. Rice is a vastly important staple in many tropical and temperate areas of the arena. Billions of folks depend on the crop to survive and hundreds of thousands at the moment are threatened by meals shortages which might be expanding each and every 12 months. World rice production was approximately 645 million tonnes in 2007. At least 114 nations grow rice and greater than 50 have an annual manufacturing of 100,000 tonnes or extra. Asian farmers produce about 90% of the full, with two countries, China and India, growing more than half the total crop. Nitrogen is the only maximum proscribing factor in rice cultivation, strongly affecting the crop yield. Azolla substantially will increase the volume of nitrogen fertilizer available to rising rice and it h